Mobil

About: Mobil is a based out in . It is known for research contribution in the topics: Catalysis & Zeolite. The organization has 7085 authors who have published 10642 publications receiving 237497 citations. The organization is also known as: Socony-Vacuum Oil Company & Standard Oil Company of New York.

Distribution system for downflow reactors

Abstract: A distributor system for use in multiple bed, downflow reactors which provides improved distribution across the reactor and improved vapor/liquid contact and distribution. The system comprises a collection tray (12) arranged below the first catalyst bed in the reactor, a first, rough distributor tray (30) which is arranged below the collection tray and which is fed from the collection tray by means of spillways (15) in the tray and a mixing chamber (16) beneath the spillways. The first distributor tray provides for separate vapor and liquid flow by means of apertures in the tray provides for separate vapor and liquid flow by means of apertures in the tray for downward flow of liquid and vapor chimneys for downward flow of vapor. After the first distributor tray, a second, final distributor tray (40) is provided with downcomers for flow of liquid and vapor onto the lower catalyst bed. Each downcomer comprises an open-topped tube (42) with a side aperture (43) for entry of liquid into the tube, vapor entering through the open top of the tube.

A stress-controlled drag-reduction phenomenon

Abstract: An unusual stress controlled turbulent flow phenomenon observed in aqueous solutions of some derivatives of an unsaturated 18 carbon atom fatty acidis described. Some other unusual viscometric and rheogoniometric properties of these solutions are also discussed.

Solar cell and method of making same

Abstract: An improved solar cell of the type including a semiconductor substrate having a shallow p-n junction adjacent its front surface, a rear electrode affixed in adherent mechanical and electrical contact with the rear surface of the semiconductor substrate, and a front generally grid-shaped electrode including an array of narrow, elongate, parallel fingers and at least one bus bar extending at right angles to the fingers in electrical contact therewith affixed in mechanically adherent and low resistance electrical contact with the front surface of the semiconductor substrate. The improvement includes the removal of the bus bar portion of the front grid-shaped electrode from intimate mechanical and electrical contact with the front surface of the semiconductor substrate. The improvement increases the open circuit voltage and efficiency of the solar cell, and allows the bus bar portion of the grid shaped electrode to be formed of materials different from the finger portions of that electrode thereby providing cost advantages and design flexibility without detriment to solar cell efficiency. A method of making the improved solar cell also is disclosed.

Method for treatment of rubber and plastic wastes

Abstract: A process for converting relatively ash-free solid polymeric wastes to more valuable liquid, solid, and gaseous products which comprises mixing rubber and/or plastic wastes at high temperatures in a refractory petroleum stream and catalytically cracking the mixture.